ioq3/code/botlib/be_aas_bspq3.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*****************************************************************************
* name: be_aas_bspq3.c
*
* desc: BSP, Environment Sampling
*
* $Archive: /MissionPack/code/botlib/be_aas_bspq3.c $
*
*****************************************************************************/
#include "../qcommon/q_shared.h"
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#include "l_memory.h"
#include "l_script.h"
#include "l_precomp.h"
#include "l_struct.h"
#include "aasfile.h"
#include "botlib.h"
#include "be_aas.h"
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#include "be_aas_funcs.h"
#include "be_aas_def.h"
extern botlib_import_t botimport;
//#define TRACE_DEBUG
#define ON_EPSILON 0.005
//#define DEG2RAD( a ) (( a * M_PI ) / 180.0F)
#define MAX_BSPENTITIES 2048
typedef struct rgb_s
{
int red;
int green;
int blue;
} rgb_t;
//bsp entity epair
typedef struct bsp_epair_s
{
char *key;
char *value;
struct bsp_epair_s *next;
} bsp_epair_t;
//bsp data entity
typedef struct bsp_entity_s
{
bsp_epair_t *epairs;
} bsp_entity_t;
//id Sofware BSP data
typedef struct bsp_s
{
//true when bsp file is loaded
int loaded;
//entity data
int entdatasize;
char *dentdata;
//bsp entities
int numentities;
bsp_entity_t entities[MAX_BSPENTITIES];
} bsp_t;
//global bsp
bsp_t bspworld;
#ifdef BSP_DEBUG
typedef struct cname_s
{
int value;
char *name;
} cname_t;
cname_t contentnames[] =
{
{CONTENTS_SOLID,"CONTENTS_SOLID"},
{CONTENTS_WINDOW,"CONTENTS_WINDOW"},
{CONTENTS_AUX,"CONTENTS_AUX"},
{CONTENTS_LAVA,"CONTENTS_LAVA"},
{CONTENTS_SLIME,"CONTENTS_SLIME"},
{CONTENTS_WATER,"CONTENTS_WATER"},
{CONTENTS_MIST,"CONTENTS_MIST"},
{LAST_VISIBLE_CONTENTS,"LAST_VISIBLE_CONTENTS"},
{CONTENTS_AREAPORTAL,"CONTENTS_AREAPORTAL"},
{CONTENTS_PLAYERCLIP,"CONTENTS_PLAYERCLIP"},
{CONTENTS_MONSTERCLIP,"CONTENTS_MONSTERCLIP"},
{CONTENTS_CURRENT_0,"CONTENTS_CURRENT_0"},
{CONTENTS_CURRENT_90,"CONTENTS_CURRENT_90"},
{CONTENTS_CURRENT_180,"CONTENTS_CURRENT_180"},
{CONTENTS_CURRENT_270,"CONTENTS_CURRENT_270"},
{CONTENTS_CURRENT_UP,"CONTENTS_CURRENT_UP"},
{CONTENTS_CURRENT_DOWN,"CONTENTS_CURRENT_DOWN"},
{CONTENTS_ORIGIN,"CONTENTS_ORIGIN"},
{CONTENTS_MONSTER,"CONTENTS_MONSTER"},
{CONTENTS_DEADMONSTER,"CONTENTS_DEADMONSTER"},
{CONTENTS_DETAIL,"CONTENTS_DETAIL"},
{CONTENTS_TRANSLUCENT,"CONTENTS_TRANSLUCENT"},
{CONTENTS_LADDER,"CONTENTS_LADDER"},
{0, 0}
};
void PrintContents(int contents)
{
int i;
for (i = 0; contentnames[i].value; i++)
{
if (contents & contentnames[i].value)
{
botimport.Print(PRT_MESSAGE, "%s\n", contentnames[i].name);
} //end if
} //end for
} //end of the function PrintContents
#endif // BSP_DEBUG
//===========================================================================
// traces axial boxes of any size through the world
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
bsp_trace_t AAS_Trace(vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int passent, int contentmask)
{
bsp_trace_t bsptrace;
botimport.Trace(&bsptrace, start, mins, maxs, end, passent, contentmask);
return bsptrace;
} //end of the function AAS_Trace
//===========================================================================
// returns the contents at the given point
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_PointContents(vec3_t point)
{
return botimport.PointContents(point);
} //end of the function AAS_PointContents
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean AAS_EntityCollision(int entnum,
vec3_t start, vec3_t boxmins, vec3_t boxmaxs, vec3_t end,
int contentmask, bsp_trace_t *trace)
{
bsp_trace_t enttrace;
botimport.EntityTrace(&enttrace, start, boxmins, boxmaxs, end, entnum, contentmask);
if (enttrace.fraction < trace->fraction)
{
Com_Memcpy(trace, &enttrace, sizeof(bsp_trace_t));
return qtrue;
} //end if
return qfalse;
} //end of the function AAS_EntityCollision
//===========================================================================
// returns true if in Potentially Hearable Set
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean AAS_inPVS(vec3_t p1, vec3_t p2)
{
return botimport.inPVS(p1, p2);
} //end of the function AAS_InPVS
//===========================================================================
// returns true if in Potentially Visible Set
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
qboolean AAS_inPHS(vec3_t p1, vec3_t p2)
{
return qtrue;
} //end of the function AAS_inPHS
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_BSPModelMinsMaxsOrigin(int modelnum, vec3_t angles, vec3_t mins, vec3_t maxs, vec3_t origin)
{
botimport.BSPModelMinsMaxsOrigin(modelnum, angles, mins, maxs, origin);
} //end of the function AAS_BSPModelMinsMaxs
//===========================================================================
// unlinks the entity from all leaves
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_UnlinkFromBSPLeaves(bsp_link_t *leaves)
{
} //end of the function AAS_UnlinkFromBSPLeaves
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
bsp_link_t *AAS_BSPLinkEntity(vec3_t absmins, vec3_t absmaxs, int entnum, int modelnum)
{
return NULL;
} //end of the function AAS_BSPLinkEntity
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_BoxEntities(vec3_t absmins, vec3_t absmaxs, int *list, int maxcount)
{
return 0;
} //end of the function AAS_BoxEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_NextBSPEntity(int ent)
{
ent++;
if (ent >= 1 && ent < bspworld.numentities) return ent;
return 0;
} //end of the function AAS_NextBSPEntity
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_BSPEntityInRange(int ent)
{
if (ent <= 0 || ent >= bspworld.numentities)
{
botimport.Print(PRT_MESSAGE, "bsp entity out of range\n");
return qfalse;
} //end if
return qtrue;
} //end of the function AAS_BSPEntityInRange
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_ValueForBSPEpairKey(int ent, char *key, char *value, int size)
{
bsp_epair_t *epair;
value[0] = '\0';
if (!AAS_BSPEntityInRange(ent)) return qfalse;
for (epair = bspworld.entities[ent].epairs; epair; epair = epair->next)
{
if (!strcmp(epair->key, key))
{
strncpy(value, epair->value, size-1);
value[size-1] = '\0';
return qtrue;
} //end if
} //end for
return qfalse;
} //end of the function AAS_FindBSPEpair
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_VectorForBSPEpairKey(int ent, char *key, vec3_t v)
{
char buf[MAX_EPAIRKEY];
double v1, v2, v3;
VectorClear(v);
if (!AAS_ValueForBSPEpairKey(ent, key, buf, MAX_EPAIRKEY)) return qfalse;
//scanf into doubles, then assign, so it is vec_t size independent
v1 = v2 = v3 = 0;
sscanf(buf, "%lf %lf %lf", &v1, &v2, &v3);
v[0] = v1;
v[1] = v2;
v[2] = v3;
return qtrue;
} //end of the function AAS_VectorForBSPEpairKey
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_FloatForBSPEpairKey(int ent, char *key, float *value)
{
char buf[MAX_EPAIRKEY];
*value = 0;
if (!AAS_ValueForBSPEpairKey(ent, key, buf, MAX_EPAIRKEY)) return qfalse;
*value = atof(buf);
return qtrue;
} //end of the function AAS_FloatForBSPEpairKey
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_IntForBSPEpairKey(int ent, char *key, int *value)
{
char buf[MAX_EPAIRKEY];
*value = 0;
if (!AAS_ValueForBSPEpairKey(ent, key, buf, MAX_EPAIRKEY)) return qfalse;
*value = atoi(buf);
return qtrue;
} //end of the function AAS_IntForBSPEpairKey
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_FreeBSPEntities(void)
{
int i;
bsp_entity_t *ent;
bsp_epair_t *epair, *nextepair;
for (i = 1; i < bspworld.numentities; i++)
{
ent = &bspworld.entities[i];
for (epair = ent->epairs; epair; epair = nextepair)
{
nextepair = epair->next;
//
if (epair->key) FreeMemory(epair->key);
if (epair->value) FreeMemory(epair->value);
FreeMemory(epair);
} //end for
} //end for
bspworld.numentities = 0;
} //end of the function AAS_FreeBSPEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_ParseBSPEntities(void)
{
script_t *script;
token_t token;
bsp_entity_t *ent;
bsp_epair_t *epair;
script = LoadScriptMemory(bspworld.dentdata, bspworld.entdatasize, "entdata");
SetScriptFlags(script, SCFL_NOSTRINGWHITESPACES|SCFL_NOSTRINGESCAPECHARS);//SCFL_PRIMITIVE);
bspworld.numentities = 1;
while(PS_ReadToken(script, &token))
{
if (strcmp(token.string, "{"))
{
ScriptError(script, "invalid %s", token.string);
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AAS_FreeBSPEntities();
FreeScript(script);
return;
} //end if
if (bspworld.numentities >= MAX_BSPENTITIES)
{
botimport.Print(PRT_MESSAGE, "too many entities in BSP file\n");
break;
} //end if
ent = &bspworld.entities[bspworld.numentities];
bspworld.numentities++;
ent->epairs = NULL;
while(PS_ReadToken(script, &token))
{
if (!strcmp(token.string, "}")) break;
epair = (bsp_epair_t *) GetClearedHunkMemory(sizeof(bsp_epair_t));
epair->next = ent->epairs;
ent->epairs = epair;
if (token.type != TT_STRING)
{
ScriptError(script, "invalid %s", token.string);
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AAS_FreeBSPEntities();
FreeScript(script);
return;
} //end if
StripDoubleQuotes(token.string);
epair->key = (char *) GetHunkMemory(strlen(token.string) + 1);
strcpy(epair->key, token.string);
if (!PS_ExpectTokenType(script, TT_STRING, 0, &token))
{
AAS_FreeBSPEntities();
FreeScript(script);
return;
} //end if
StripDoubleQuotes(token.string);
epair->value = (char *) GetHunkMemory(strlen(token.string) + 1);
strcpy(epair->value, token.string);
} //end while
if (strcmp(token.string, "}"))
{
ScriptError(script, "missing }");
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AAS_FreeBSPEntities();
FreeScript(script);
return;
} //end if
} //end while
FreeScript(script);
} //end of the function AAS_ParseBSPEntities
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_BSPTraceLight(vec3_t start, vec3_t end, vec3_t endpos, int *red, int *green, int *blue)
{
return 0;
} //end of the function AAS_BSPTraceLight
//===========================================================================
//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
void AAS_DumpBSPData(void)
{
AAS_FreeBSPEntities();
if (bspworld.dentdata) FreeMemory(bspworld.dentdata);
bspworld.dentdata = NULL;
bspworld.entdatasize = 0;
//
bspworld.loaded = qfalse;
Com_Memset( &bspworld, 0, sizeof(bspworld) );
} //end of the function AAS_DumpBSPData
//===========================================================================
// load a .bsp file
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//
// Parameter: -
// Returns: -
// Changes Globals: -
//===========================================================================
int AAS_LoadBSPFile(void)
{
AAS_DumpBSPData();
bspworld.entdatasize = strlen(botimport.BSPEntityData()) + 1;
bspworld.dentdata = (char *) GetClearedHunkMemory(bspworld.entdatasize);
Com_Memcpy(bspworld.dentdata, botimport.BSPEntityData(), bspworld.entdatasize);
AAS_ParseBSPEntities();
bspworld.loaded = qtrue;
return BLERR_NOERROR;
} //end of the function AAS_LoadBSPFile